* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #fff;
    position: relative;
    min-height: 100vh;
    overflow-x: hidden;
    cursor: crosshair;
}

#bg-video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

#bg-video::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
}

.content {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    text-align: center;
    padding: 4rem 2rem 2rem;
    background: linear-gradient(180deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0) 100%);
}

header h1 {
    font-family: 'Lato', sans-serif;
    font-size: 3rem;
    font-weight: 300;
    letter-spacing: 0.3rem;
    margin-bottom: 0.5rem;
    text-shadow: 0 4px 20px rgba(0,0,0,0.8), 2px 2px 8px rgba(0,0,0,0.9);
    text-transform: uppercase;
}

.subtitle {
    font-size: 0.8rem;
    font-weight: 300;
    letter-spacing: 0.15rem;
    opacity: 0.9;
    text-shadow: 0 2px 10px rgba(0,0,0,0.8);
}

main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.button-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 300px;
    width: 100%;
}

.nav-button {
    background: #000000;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0;
    padding: 0.75rem 1rem;
    color: white;
    font-family: 'Lato', sans-serif;
    font-size: 0.9rem;
    font-weight: 300;
    letter-spacing: 0.1rem;
    cursor: crosshair;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.nav-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.6);
    background: rgba(0, 0, 0, 0.7);
}

footer {
    background: linear-gradient(0deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0) 100%);
    color: white;
    text-align: center;
    padding: 2rem 1rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2.5rem;
    }

    .button-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .nav-button {
        padding: 2rem;
        font-size: 1.5rem;
    }
}
